Nov 2026: Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-118157 Published on November 10, 2026
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Vulnerability Analysis
Exploitation:
NONE
Automatable:
NO
Technical Impact:
TOTAL
Weakness Type
CWE-1390
Products Associated with CVE-2026-118157
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Affected Versions
Microsoft Exchange Server Subscription Edition RTM:- Version 15.02.0.0 and below 15.02.2562.057 is affected.
Exploit Probability
EPSS
1.00%
Percentile
63.20%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.